Character:a.Aluminium alloy bodyb.Toughtened glass lens , shock-resistant c.There is a metal shield outside the toughtened glass lens, and there is some rubber sheath at bottom of the shield, which can avoid producing spark by rubingd.Adopt solid state LED lamp , high-efficient low consumption , green environmental protectione.Adopting IC programming circuit, PWM supplies power, reliable performance f.Have good electromagnetic compatibility , will not interfere the network of transmitting electricity